128237580

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{79159}}^1$

素因数の和:79180

約数の個数: 60

約数和(自身を含む): 402291120

約数和(自身を除く): 274053540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 79159, 158318, 237477, 316636, 395795, 474954, 712431, 791590, 949908, 1187385, 1424862, 1583180, 2137293, 2374770, 2849724, 3562155, 4274586, 4749540, 6411879, 7124310, 8549172, 10686465, 12823758, 14248620, 21372930, 25647516, 32059395, 42745860, 64118790, 128237580]

約数ペア:

[(1, 128237580), (2, 64118790), (3, 42745860), (4, 32059395), (5, 25647516), (6, 21372930), (9, 14248620), (10, 12823758), (12, 10686465), (15, 8549172), (18, 7124310), (20, 6411879), (27, 4749540), (30, 4274586), (36, 3562155), (45, 2849724), (54, 2374770), (60, 2137293), (81, 1583180), (90, 1424862), (108, 1187385), (135, 949908), (162, 791590), (180, 712431), (270, 474954), (324, 395795), (405, 316636), (540, 237477), (810, 158318), (1620, 79159)]